<template>
	<div class="icons">
		 <swiper>
		 	<swiper-slide v-for="(page, index) of pages" :key="index">
				<div 
					class="icon" 
					v-for="item of page"
					:key="item.id"
				>
					<div class="icon-img">
						<img class="icon-img-content" :src="item.imgUrl">
					</div>
					<p class="icon-desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
			
		</swiper>
		
	</div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
  	list: Array
  },
  computed: {
  	pages () {
  		const pages = []
  		this.list.forEach((item, index) => {
			const page = Math.floor(index / 8)
			if (!pages[page]) {
				pages[page] = []
			}
			pages[page].push(item)
  		})
  		return pages
  	}
  }
}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl'
	@import '~styles/mixins.styl'
	.icons >>> .swiper-container
		height: 0
		padding-bottom: 50%	
		margin-top: .2rem
	.icon
		position: relative
		overflow: hidden
		float: left
		width: 25%
		height: 0
		padding-bottom: 25%
		.icon-img
			position: absolute
			top: 0
			left: 0
			right: 0
			bottom: .44rem
			box-sizing: border-box
			padding: .1rem
			.icon-img-content
				display: block
				margin: 0 auto
				height: 100%
		.icon-desc
			position: absolute
			left: 0
			right: 0
			bottom: 0
			height: .44rem
			line-height: .44rem
			color: $darkColor
			text-align: center
			ellipsis()	
</style>